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�4 <br /> mr. Chuck C,trmei <br /> December 20 1991 <br /> Page 5 <br /> ar} of NVell Construction Details <br /> Table I. Sumnt <br /> -----� ` Well number <br /> —r—— ATR-11 <br /> i <br /> ATR Well <br /> (Feet bgs) <br /> (feet bgs) <br /> Item 5-25 <br /> -------- 5 2S 3-25 <br /> Screened interval (0,020-inch slat) 3.25 t.5-3 <br /> Filter pack 1.5-3 10.5 <br /> Bentonite seal interval drilling 9.5 <br /> Depth to groundwater during <br /> Soil Santplinl; <br /> For purposes of collecting <br /> soil samples for litho identification en for field geologi-t- <br /> each borehole was continuously cored. The sg}I the soil cores es were logged <br /> t sa 1 tored for volatile <br /> wo qualitatively <br /> In addition to evaluating the sniffeborer, <br /> an l hholo of each sample were <br /> h drocarbons using a TLV sniffer,;tnd the relative permePermeabiliry <br /> Y TLV rea&"9, and estimated p ie was obtained. <br /> estimated. •late lithology, <br /> recorded on the borehole log neFxto tthe t Adeptlt tnterval from which the sam <br /> 'x3orehole logs are included .s t fringe of <br /> chemical analysis vas collected nom the capi.lary s lit- <br /> a 2-inch-4- <br /> 0 *,tmeter by l8-inch-long p <br /> ne soil sample for laboratorypier was driven <br /> i ATR-8 at 3 feet bgs. The sample was obtained using <br /> ler lined with three 6-inch-long thin-wallede Gass extracted from the borehole,the <br /> spoon same When the same lactic caps,which were <br /> its entire length into undrsturbed soil. <br /> ends of the selected brass tube were <br /> ve tde a. tight seal.ered with III-` aril foil and p <br /> they,taped with plastic tape top d depth. <br /> project number,sample location,an <br /> w the date,p j courier to NET Pacific <br /> The sample was labeled on site to show d transported by <br /> The sealed.sample was placed into a cold ice educes Laboratory results are discussed later <br /> Laboratories under Proper chain-of-custody p <br /> in this report. <br /> +yell Development R and pumping until <br /> Surging, bailing', CampnY <br /> well was developed b�' swab VArmOur Petroleum <br /> Foch groundwater monitoring produced. During Pumpm� Y <br /> clean,sedi:aent-free water wasp and temperature were rr ..torin 55 jg�on <br /> (Armour).;roundwater pH,electrical conductivity', <br /> educed during development was contained on site in <br /> Water pr _- our-and taken to the Fireman's <br /> aquifer stabilization; - of the newly <br /> water was removed from the product was not present to anY <br /> barrels. Dntmmed California' Free p <br /> Training Center in Vacaville, <br /> installed g,oundlvater wells. <br /> . . .t996\CORRFS}'ri96d30:.1R _ <br /> Brown and Cait;well <br />